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    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
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        <title>Document</title>
    </head>
    <body>
        <h1>标题</h1>
        <article>
            <header>头部</header>
            <aside>侧边栏</aside>
            <section>段落1</section>
            <footer>尾部</footer>
        </article>
        <div>
            <a href="https://www.baidu.com">百度</a>
            <a href="https://qq.com">腾讯</a>
            <a href="https://taobao.com">淘宝</a>
            <span>文本</span>
            <label for="">标签</label>
        </div>
        <div>
            <p>段落</p>
            <ul>
                <li>选项</li>
                <li>选项</li>
                <li>选项</li>
                <li>选项</li>
                <li>选项</li>
            </ul>
            <ol>
                <li>选项</li>
                <li>选项</li>
                <li>选项</li>
                <li>选项</li>
                <li>选项</li>
            </ol>
            <br>
            <hr>
            <p>段落2</p>
        </div>
    </body>
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